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BaLLatris [955]
3 years ago
12

Katrina ran 6 laps around a circular track that had a radius of 20 m. How far did she run?

Mathematics
1 answer:
MAVERICK [17]3 years ago
8 0

Step-by-step explanation:

Total Distance run by Katrina

=6 \times circumference \: of \: circular \: track \\  \\  = 6 \times 2 \pi \: r \\  = 6 \times 2 \times 3.14 \times 20 \\   = 240 \times 3.14 \\  = 753.6 \: m \\

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Answer:

1\frac{1}{4}\ liters

Step-by-step explanation:

step 1

Convert mixed number to an improper fraction

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step 2

Using proportion

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step 3

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8 0
3 years ago
To qualify for the championship a runner must complete the race in less than 55 minutes ....... Use "t" to represent the time in
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The inequality is t < 55

<em><u>Solution</u></em><em><u>:</u></em>

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Let "t" represent the time in minutes of a runner who qualifies for the championship

Here it is given that the value of t is less than 55 minutes

Therefore, "t" must be less than 55, so that the runner qualifies the championship

<em><u>This is represented by inequality:</u></em>

t

The above inequality means, that time taken to complete the race must be less than 55 for a runner to qualify

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